From a876e23075cbbc1aa1f5a0a1adc3e71e9e00edac Mon Sep 17 00:00:00 2001
From: "Michael B. Gale" <mbg@github.com>
Date: Tue, 22 Sep 2026 13:17:05 +0100
Subject: [PATCH] Add tests for `determineCheckoutPath`

---
 src/analyze.test.ts | 88 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)

diff --git a/src/analyze.test.ts b/src/analyze.test.ts
index 7523d239b..88e592507 100644
--- a/src/analyze.test.ts
+++ b/src/analyze.test.ts
@@ -11,9 +11,11 @@ import {
   resolveQuerySuiteAlias,
   addSarifExtension,
   diffRangeExtensionPackContents,
+  determineCheckoutPath,
 } from "./analyze";
 import { createStubCodeQL } from "./codeql";
 import { Feature } from "./feature-flags";
+import * as gitUtils from "./git-utils";
 import { BuiltInLanguage } from "./languages";
 import { getRunnerLogger } from "./logging";
 import {
@@ -21,12 +23,98 @@ import {
   setupActionsVars,
   createFeatures,
   createTestConfig,
+  callee,
 } from "./testing-utils";
 import * as uploadLib from "./upload-lib";
 import * as util from "./util";
 
 setupTests(test);
 
+test.serial(
+  "determineCheckoutPath - logs when checkout_path is not in a work tree",
+  async (t) => {
+    const expectedPath = "/checkout/path";
+    const target = callee(determineCheckoutPath)
+      .withActions((actions) => {
+        sinon
+          .stub(actions, "getRequiredInput")
+          .withArgs("checkout_path")
+          .returns("/checkout/path");
+      })
+      .withArgs(createTestConfig({}));
+    sinon.stub(gitUtils, "getGitRoot").resolves(undefined);
+
+    await target
+      .logs(t, "is not in the work tree of a git repository")
+      .passes(t.is, expectedPath);
+  },
+);
+
+test.serial(
+  "determineCheckoutPath - logs when checkout_path is not a repo root",
+  async (t) => {
+    const expectedPath = "/checkout/path";
+    const target = callee(determineCheckoutPath)
+      .withActions((actions) => {
+        sinon
+          .stub(actions, "getRequiredInput")
+          .withArgs("checkout_path")
+          .returns("/checkout/path");
+      })
+      .withArgs(createTestConfig({}));
+    sinon.stub(gitUtils, "getGitRoot").resolves("/checkout");
+
+    await target
+      .logs(t, "is not the root of the repository")
+      .passes(t.is, expectedPath);
+  },
+);
+
+test.serial(
+  "determineCheckoutPath - logs when checkout_path is not the same as repo root in config",
+  async (t) => {
+    const expectedPath = "/checkout/path";
+    const target = callee(determineCheckoutPath)
+      .withActions((actions) => {
+        sinon
+          .stub(actions, "getRequiredInput")
+          .withArgs("checkout_path")
+          .returns("/checkout/path");
+      })
+      .withArgs(createTestConfig({ repositoryRoot: "/some/other/path" }));
+    sinon.stub(gitUtils, "getGitRoot").resolves("/checkout/path");
+
+    await target
+      .logs(t, "does not match that found by the 'codeql-action/init' step")
+      .passes(t.is, expectedPath);
+  },
+);
+
+test.serial(
+  "determineCheckoutPath - doesn't log any of the messages when all is as expected",
+  async (t) => {
+    const expectedPath = "/checkout/path";
+    const target = callee(determineCheckoutPath)
+      .withActions((actions) => {
+        sinon
+          .stub(actions, "getRequiredInput")
+          .withArgs("checkout_path")
+          .returns("/checkout/path");
+      })
+      .withArgs(createTestConfig({ repositoryRoot: "/checkout/path" }));
+    sinon.stub(gitUtils, "getGitRoot").resolves("/checkout/path");
+
+    await target
+      .notLogs(
+        t,
+        "is not in the work tree of a git repository",
+        "is not the root of the repository",
+        "does not match that found by the 'codeql-action/init' step",
+      )
+      .passes(t.is, expectedPath);
+  },
+);
+
 /**
  * Checks the status report produced by the analyze Action.
  *